better way to b param

app/helpers/service_helper.py

@@ -12,22 +12,19 @@ def items_csv_to_dict(items_csv_reader):
       headers = row
     else:
       item = { 'attributes': [] }
-      count = 0
 
       for key, col in enumerate(headers):
-        count += 1
         if key == 0:
           item[col] = row[key]
-        elif col == 'b_param':
-          item[col] = row[key]
+        # b param
+        elif key == (1 - len(headers)):
+          item['b_param'] = row[key]
         elif key > 1:
           item['attributes'].append({
             'id': col,
             'value': row[key],
             'type': 'metadata'
           })
-        elif count == len(headers):
-          item['b_param'] = row[key]
 
       items.append(item)